#include<iostream>
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include"Log.hpp"
#include"InetAddr.hpp"
int main (int argc,char* argv[])
{
   if(argc != 3)
    {
        std::cerr << "Usage: " << argv[0] << " server-ip server-port" << std::endl;
        exit(0);
    }

    std::string serverip = argv[1];
    uint16_t serverport = std::stoi(argv[2]);
    //1.创建套接字
    int sockfd= ::socket(AF_INET,SOCK_STREAM,0);
    if(sockfd<0)
    {
        std::cerr<<"create socket error"<<std::endl;
        exit(1);
    }
    //2绑定结构体，但是这个步骤可以在建立链接时隐式建立；connect函数
    struct sockaddr_in server;
    memset(&server,0,sizeof(server));
    server.sin_family=AF_INET;
    server.sin_port=htons(serverport);
    ::inet_pton(AF_INET,serverip.c_str(),&server.sin_addr);//这个函数就是将IP地址转化为网络状态
    int n=::connect(sockfd,(struct sockaddr*)&server,sizeof(server));
    if(n<0)
    {
        std::cerr<<"connect socket error"<<std::endl;
        exit(2);
    }
    //3.发消息和收消息
    while(true)
    {
        std::string message;
        std::cout<<"ENTER #";
        std::getline(std::cin,message);
        write(sockfd,message.c_str(),message.size());
        char echo_buffer[1024];
        n=read(sockfd,echo_buffer,sizeof(echo_buffer));
        if(n>0)
        {
            echo_buffer[n]=0;
            std::cout<<echo_buffer<<std::endl;
        }
    }

    ::close(sockfd);




    
    return 0;
}